Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tot cong chu snippets" » "mot cong chu snippets", "toc cong chu snippets", "bot cong chu snippets", "tot cong chuc snippets", "tot cong chua snippets", "tot cong cu snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tot cong chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tot cong chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tot cong chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tot cong chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.